N-(1-ethylpropyl)-2,6-dinitro-3,4-xylidine SDS

Skin sensitization, Category 1

Hazardous to the aquatic environment, short-term (Acute) - Category Acute 1

Hazardous to the aquatic environment, long-term (Chronic) - Category Chronic 1

H317 May cause an allergic skin reaction

H410 Very toxic to aquatic life with long lasting effects

P261 Avoid breathing dust/fume/gas/mist/vapours/spray.

P272 Contaminated work clothing should not be allowed out of the workplace.

P280 Wear protective gloves/protective clothing/eye protection/face protection/hearing protection/...

P273 Avoid release to the environment.

P302+P352 IF ON SKIN: Wash with plenty of water/...

P333+P317 If skin irritation or rash occurs: Get medical help.

P321 Specific treatment (see ... on this label).

P362+P364 Take off contaminated clothing and wash it before reuse.

P391 Collect spillage.

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P501 Dispose of contents/container to an appropriate treatment and disposal facility in accordance with applicable laws and regulations, and product characteristics at time of disposal.

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Move the victim into fresh air. If breathing is difficult, give oxygen. If not breathing, give artificial respiration and consult a doctor immediately. Do not use mouth to mouth resuscitation if the victim ingested or inhaled the chemical.

Take off contaminated clothing immediately. Wash off with soap and plenty of water. Consult a doctor.

Rinse with pure water for at least 15 minutes. Consult a doctor.

Rinse mouth with water. Do not induce vomiting. Never give anything by mouth to an unconscious person. Call a doctor or Poison Control Center immediately.

Excerpt from ERG Guide 171 [Substances (Low to Moderate Hazard)]: Inhalation of material may be harmful. Contact may cause burns to skin and eyes. Inhalation of Asbestos dust may have a damaging effect on the lungs. Fire may produce irritating, corrosive and/or toxic gases. Some liquids produce vapors that may cause dizziness or suffocation. Runoff from fire control may cause pollution. (ERG, 2016)

Immediate first aid: Ensure that adequate decontamination has been carried out. If patient is not breathing, start artificial respiration, preferably with a demand valve resuscitator, bag-valve-mask device, or pocket mask, as trained. Perform CPR if necessary. Immediately flush contaminated eyes with gently flowing water. Do not induce vomiting. If vomiting occurs, lean patient forward or place on the left side (head-down position, if possible) to maintain an open airway and prevent aspiration. Keep patient quiet and maintain normal body temperature. Obtain medical attention. Poisons A and B

Excerpt from ERG Guide 171 [Substances (Low to Moderate Hazard)]: SMALL FIRE: Dry chemical, CO2, water spray or regular foam. LARGE FIRE: Water spray, fog or regular foam. Do not scatter spilled material with high-pressure water streams. Move containers from fire area if you can do it without risk. Dike fire-control water for later disposal. FIRE INVOLVING TANKS: Cool containers with flooding quantities of water until well after fire is out. Withdraw immediately in case of rising sound from venting safety devices or discoloration of tank. ALWAYS stay away from tanks engulfed in fire. (ERG, 2016)

Excerpt from ERG Guide 171 [Substances (Low to Moderate Hazard)]: Some may burn but none ignite readily. Containers may explode when heated. Some may be transported hot. For UN3508, be aware of possible short circuiting as this product is transported in a charged state. (ERG, 2016)

Wear self-contained breathing apparatus for firefighting if necessary.

Avoid dust formation. Avoid breathing mist, gas or vapours.Avoid contacting with skin and eye. Use personal protective equipment.Wear chemical impermeable gloves. Ensure adequate ventilation.Remove all sources of ignition. Evacuate personnel to safe areas.Keep people away from and upwind of spill/leak.

Prevent further spillage or leakage if it is safe to do so. Do not let the chemical enter drains. Discharge into the environment must be avoided.

Collect and arrange disposal. Keep the chemical in suitable and closed containers for disposal. Remove all sources of ignition. Use spark-proof tools and explosion-proof equipment. Adhered or collected material should be promptly disposed of, in accordance with appropriate laws and regulations.

Handling in a well ventilated place. Wear suitable protective clothing. Avoid contact with skin and eyes. Avoid formation of dust and aerosols. Use non-sparking tools. Prevent fire caused by electrostatic discharge steam.

Store above 40 deg F. Extended storage at temperatures less than 40 deg F can result in the formation of crystals on the bottom of the container. If crystallization does occur, store the container on its side at room temperature (70 deg F) and rock occasionally until crystals redissolve. Do not store near food or feed products.

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Ensure adequate ventilation. Handle in accordance with good industrial hygiene and safety practice. Set up emergency exits and the risk-elimination area.

Wear tightly fitting safety goggles with side-shields conforming to EN 166(EU) or NIOSH (US).

Wear fire/flame resistant and impervious clothing. Handle with gloves. Gloves must be inspected prior to use. Wash and dry hands. The selected protective gloves have to satisfy the specifications of EU Directive 89/686/EEC and the standard EN 374 derived from it.

If the exposure limits are exceeded, irritation or other symptoms are experienced, use a full-face respirator.

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Very stable in storage. Stable to acids and alkalis. Slowly decomposed by light.

A dinitroaniline derivative.

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When heated to decomposition it emits toxic fumes of nitroxides.

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Cancer Classification: Group C Possible Human Carcinogen

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AEROBIC: Using water from two nursery recycling ponds, pendimethalin exhibited first-order half-lives of 26.9-37.4 days at 10 deg C in non-sterile water and 137.5-183.4 days in sterile water(1); at 22 deg C, the first-order half-lives were 16.4-29.1 days in non-sterile water and 71.4-121.0 days in sterile water(1). A soil degradation study using an agro-soil from Iowa found virtually no pendimethalin biodegradation over a 160-day period(2); it was thought that pendimethalin desorption from the soil was very difficult resulting in no bioavailablity(2). The persistence of pendimethalin was studied in non-flooded and flooded nonsterile and sterile sandy loam soil (0.35% organic carbon, pH 8.2%) at 30 deg C over 90 days(3). The degradation was first order with half-lives of 52.2 and 33.4 days in nonsterile nonflooded and flooded soil, respectively, and 66.9 and 44.9 days in sterile nonflooded and flooded soil, respectively(3). Therefore degradation is faster in flooded than in nonflooded soil. While the herbicide was more persistent in nonsterile than sterile soil, only 11-14% of the degradation over 90 days could be attributed to microbial activity. The formation of two major metabolites, N-(1-ethylpropyl)-3,4-dimethyl-2-nitrobenzene-1,6-diamine and 3,4-dimethyl-2,6-dinitroaniline indicate that under aerobic conditions N-dealkylation and reduction of the less hindered nitro groups are primary transformation mechanisms. The same products were formed when pendimethalin was incubated with enriched cultures of soil fungi(4). Under flooded conditions, the sole product was N-(1-ethylpropyl)-5,6-dimethyl-7-nitrobenzimidazole which is formed through the intermediate, 6-aminopendimethalin in the presence of a source of carbon(3). Presumably, the source of carbon is needed to supply the carbon atom on the benzimidazole ring(SRC). Statements were also made by the investigators without any supporting data that complete degradation of pendimethalin in flooded soil could occur in four and even one day, as a result of which short periods of excessive rainfall could cause unexpectedly rapid dissipation of pendimethalin and the formation of alternate degradation products(3). No discussion of possible mechanisms was presented for the comparable amounts of degradation in sterile soil(SRC).

A bioconcentration study using USEPA guideline 165-4 (OPPTS 850.1730), Bluegill fish (Lepomis macrochirus) and a 28-day exposure period determined a pendimethalin BCF value of 5,100(1). According to a classification scheme(2), this BCF suggests the potential for bioconcentration in aquatic organisms is very high(SRC). 14C-Pendimethalin-treated soil (1 and 10 ppm) was added to a model ecosystem containing 16 L of water 400 g of soil, snails, fish, algae, and daphnids and monitoring over 30 days(3); snails reached their peak 14C level between days 7 and 15; while 50% of the radioactivity was pendimethalin on day-1, <1% was so by day-15; fish reached their peak 14C level on day-1 and thereafter levels declined paralleling that of 14C in water; while 76% of the radioactivity was pendimethalin on day-1, this decreased to 22% by day-30; these data suggest that fish preferentially accumulated pendimethalin over more polar metabolites and degraded it more slowly than snails; algae accumulated 14C slowly over the 30-day experiment and daphnia reached a 14C plateau between day-7 and day-15, but this depurated within 10 days in fresh water; the maximum 14C BCF (as pendimethalin) ranged from 190 (algae) to 312 (fish)(3). The BCF of pendimethalin in a sea nettle (Chrysaora quinquecirrha) was 0.42 after 16 hrs(4).

Batch equilibrium adsorption tests using nine different soils (organic carbon ranging from 0.44% to 2.91%) determined pendimethalin Koc values ranging from 7,011-43,863(1). Koc values in five different soils ranged from 6,500-29,400 with a median/recommended Koc value of 13,400(2). According to a classification scheme(3), these Koc values suggest that pendimethalin is expected to be immobile in soil. A four year field study in a sandy loam soil from 2003-2007 found no pendimethalin detected below a 10 cm soil depth(4). A field study in turfgrass land of loamy sand soil observed a low runoff and leaching of applied pendimethalin(5); runoff was highest following the first rainfall and decreased exponentially thereafter(5). Koc values of 10,200 and 22,000 were observed using two sediments from a nursery recycling pond(6).

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The material can be disposed of by removal to a licensed chemical destruction plant or by controlled incineration with flue gas scrubbing. Do not contaminate water, foodstuffs, feed or seed by storage or disposal. Do not discharge to sewer systems.

Containers can be triply rinsed (or equivalent) and offered for recycling or reconditioning. Alternatively, the packaging can be punctured to make it unusable for other purposes and then be disposed of in a sanitary landfill. Controlled incineration with flue gas scrubbing is possible for combustible packaging materials.

ADR/RID: Not dangerous goods. (For reference only, please check.)

IMDG: Not dangerous goods. (For reference only, please check.)

IATA: Not dangerous goods. (For reference only, please check.)

ADR/RID: Not dangerous goods. (For reference only, please check.)

IMDG: Not dangerous goods. (For reference only, please check.)

IATA: Not dangerous goods. (For reference only, please check.)

ADR/RID: Not dangerous goods. (For reference only, please check.)

IMDG: Not dangerous goods. (For reference only, please check.)

IATA: Not dangerous goods. (For reference only, please check.)

ADR/RID: Not dangerous goods. (For reference only, please check.)

IMDG: Not dangerous goods. (For reference only, please check.)

IATA: Not dangerous goods. (For reference only, please check.)

ADR/RID: Yes

IMDG: Yes

IATA: Yes

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